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Finding the Fourth Proportional to 605,123.28, 835,090.20 and 333,211.32

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Solution

The fourth proportional to 605,123.28, 835,090.20 and 333,211.32 is: 459,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,123.28 : 835,090.20 = 333,211.32 : x
  2. Step 2: Convert to fraction form
    605,123.28/835,090.20 = 333,211.32/x
  3. Step 3: Cross multiply
    605,123.28x = 835,090.20 × 333,211.32
  4. Step 4: Simplify right side
    605,123.28x = 278,261,507,861.06
  5. Step 5: Solve for x
    x = 278,261,507,861.06/605,123.28
  6. Step 6: Final answer
    x = 459,842.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.